This internal frame pack is ready for a multi-day adventure out in the backcountry or a single day outing. Crafted out of durable polyester/ripstop fabric and designed with your comfort in mind, this pack features adjustable sternum and waist straps, aluminum stays, padded shoulder straps, and a deluxe cool mesh padded back to keep you cool. With gear loops and compression straps, you're able to lash on a sleeping bag, tent, or other gear with ease. A top flap helps you easily stash away maps, snacks, and other items you'll want handy. Hydration pack compatible (sold separately). Features & details 100% Polyester Imported 20 x 12.7 x 8.6 inches, Capacity: 47.8L COMFORTABLE & FUNCTIONAL: Heavy duty zippers and utility-style cord pulls, load compression system on both sides, top carry handle, ventilated mesh padded back area & shoulder strap, breathable and comfortable. HYDRATION COMPATIBLE: You will be able to quench your thirst whenever you roam with a hydration bladder pocket featuring a hose port for easy access to H2O (hydration reservoir sold separately) LOTS OF STORAGE SPACE & POCKETS: Designed to provide superior storage capacity and organization without slowing you down. EXTRA FEATURES: Two removable internal aluminum stays, padded hip belt to support heavy loads, drawstring closure